20079381

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23321}}^1$

素因数の和:23372

約数の個数: 16

約数和(自身を含む): 31344768

約数和(自身を除く): 11265387

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23321, 69963, 163247, 489741, 956161, 2868483, 6693127, 20079381]

約数ペア:

[(1, 20079381), (3, 6693127), (7, 2868483), (21, 956161), (41, 489741), (123, 163247), (287, 69963), (861, 23321)]